- 43.21 — Electric installation work
- 42.99 — Other construction, n.v.d.g.
- 43.22 — Installation water supply systems, heating and air conditioning
- 71.12 — Activities in the field of engineering, geology and geodesy, provision of technical advice in these areas
- 41.20 — Construction of residential and non-residential buildings
- 42.22 — Construction of facilities for electricity and telecommunications
Electric installation work